As a direct OEM replacement part

This 1/2" bimetal disc limit switch features a fixed open temperature of 170°F and a fixed close temperature of 130°F

Technicians rely on the integrated LED status lamp and mechanical flag indicator for instantaneous coil and contact verification

Key Benefits for HVAC Professionals OEM Calibration: Factory-set at 0

It serves as a direct drop-in replacement for legacy part numbers such as B18099-06 and B18099-13

Hydrolevel 650-P Low Water Cut-Off THPU32HP7Y As a direct OEM replacementThe Hydrolevel 650 P Low Water Cut Off is a professional grade safety control engineered to prevent dry firing in residential and commercial boiler configurations. Running on a standard 120V AC circuit, this probe type LWCO utilizes Hydrolevel Patented Sensing Technology to monitor water levels with high precision. This model features an automatic reset configuration, ensuring the burner circuit restores power immediately once the water level returns